Firebug – a usefull Firefox Add-on

The Firebug extension for Mozilla Firefox is a must have tool for anyone running a website. Firebug helps to understand css and see the results when you make changes directly on screen. It allows the debugging, editing, and monitoring of any website’s CSS, HTML, DOM, and JavaScript and provides other web development tools. The built in JavaScript console for logging errors and watching values, as well as a monitoring feature to show the loading time in milliseconds to load the code, execute scripts and load images on the page. This is one of the best tools for viewing what’s going on in JavaScript Web applications.